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    Portable Hydrogen (H2) Gas Detector, 0 to 500/1000/2000 ppm

    $696.67
    Portable hydrogen (H2) gas detector draws the gas sample by pump, with high accuracy and reliability sensor, ranging from 0 to 500, 1000 or 2000 ppm for your choice. Real-time LCD display, audible, visual & vibrating alarm, durable and compact design, easy to operation.
    SKU: ATO-SKY2000-H2
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    Free shipping
    Delivery date: 6-12 days

    Hydrogen gas leak detector with alarming is suitable to monitor the concentration of H2. It is widely used in oil, metallurgy, chemical, medical, agriculture, refinery and others industries, so as to protect humans and animals.

    Features

    • LCD dot matrix display, direct readout of gas type, unit, concentration etc.
    • Easy to switch English/Chinese, and gas unit
    • With self-calibration and zero calibration functions enable more accurate and reliable detection
    • One key to restore factory settings, free from maloperation
    • Two-stage alarm with sound and light, and alarm point is settable
    • Rechargeable lithiumpolymer battery with large capacity

    Hydroge Detector Specification

    Model ATO-SKY2000-H2
    Sampling Method Pump type
    Gas Hydrogen (H2)
    Range (Optional) 0-500ppm, 0-1000ppm, or 0-2000ppm
    Resolution 0.1ppm or 1 ppm (related to the selected range)
    Accuracy ≤±3% F.S.
    Responce Time ≤10s
    Repeatability ≤±1%
    Recovery Time ≤10s
    Linearity Error ≤±1%
    Zero Shift ≤±1% (F.S./year)
    Signal Output (Optional) High speed data transmission by USB, available for data downloading and printing
    Alarms Sound, light and vibration
    Display LCD dot matrix display
    Language Chinese/English
    Battery 3.7V rechargeable lithium battery, with capacity of 1800mAh
    Operating Time 100h (Pump off)
    Explosion-proof Grade Exia ll CT4
    Protection Grade IP66
    Operating Temperature -40℃~70℃
    Operating Humidity 0~95%RH (non-condensing)
    Dimension 205*75*32mm
    Weight 300g

    Other Common Gases and Ranges for Pump-type Gas Detector

    Gas Range (Default) Range (Optional) Resolution
    Carbon Monoxide (CO) 0-1000ppm 0-50ppm, 0-100ppm, 0-500ppm, 0-1000ppm, 0-5000ppm 0.01ppm, 0.1ppm, 1ppm
    Hydrogen Sulfide (H2S) 0-100ppm 0-50ppm, 0-100ppm, 0-200ppm, 0-500ppm 0.01ppm, 0.1ppm, 1ppm
    Combustible/Flammable Gas (EX) 0-100%LEL 0-100%LEL 0.1%LEL
    Oxygen (O2) 0-30%Vol 0-25%Vol, 0-30%Vol 0.01%Vol
    Nitrogen (N2) 0-100%Vol 0-100%Vol 0.01%Vol
    Chlorine (Cl2) 0-10ppm 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm
    Ammonia (NH3) 0-100ppm 0-50ppm, 0-100ppm, 0-500ppm 0.01ppm, 0.1ppm, 1ppm
    Formaldehyde (CH2O) 0-10ppm 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm, 1ppm
    Ozone (O3) 0-10ppm 0-1ppm,0-5ppm,0-10ppm,0-20ppm,0-50ppm,0-100ppm 0.001ppm, 0.01ppm, 0.1ppm, 1ppm
    Nitric Oxide (NO) 0-100ppm 0-100ppm, 0-250ppm, 0-500ppm, 0-1000ppm 0.01ppm, 0.1ppm, 1ppm
    Nitrogen dioxide (NO2) 0-20ppm 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm, 1ppm
    Sulfur Dioxide (SO2) 0-20ppm 0-10ppm, 0-20ppm, 0-100ppm 0.01ppm, 0.1ppm, 1ppm
    Ethylene Oxide (ETO) 0-10ppm 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm, 1ppm
    Hydrogen Chloride (HCL) 0-20ppm 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm
    Phosphine (PH3) 0-10ppm 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm, 1ppm

    Note: Some common gases and the default ranges are listed in the above table, as well as the optional measuring range. If you have any requirements, please feel free to contact us.

    Tips: What is the Alarm Point of Toxic Gas Detector?

    1. Short-term exposure limit alarm
    Short-term exposure limit or STEL is a same physical quantity with the TWA (rather than a unit). The difference between STEL and TWA is that its time is shorter, 15 minutes in general, namely STEL is the time weighted of 15 minutes. The calculation method of STEL is determined by the sampling time. The value of STEL is defined as the weighted of 15 minutes, thus several times of averaging will be carried out within 15 minutes (the times shall not be less than 3). The final value shall be the value of STEL. So what’s the point? Workers who are exposed to this concentration for short periods (usually 15 minutes) are not subject to permanent or non-recoverable tissue damage or reduced body alertness.

    2. Time-weighted average alarm
    Time-weighted average or TWA refers to the time weighted average concentration of a chemical exposed in the air in a 8-hour working day and 40-hour working week, such a chemical will hardly have a harmful effect on the workers who come into contact with it every day under this restriction. The calculation method of TWA: fetch number at specific time within the 8 hours and then calculate the average value. Taking into account the effectiveness and practicability of the results, it requires that the time interval of sampling shall be less than 15 minutes. The average value of all the results shall be the TWA value of 8 hours.

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